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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Anticancer Res. 2011 Nov;31(11):3645–3657.

Figure 3. ROCK control of cellular contractility.

Figure 3

Actin filaments in association with myosin motor proteins control cellular movement, cell division and other biological processes across all cell types. ROCK promotes cellular contraction and attachment via an activating phosphorylation of myosin light chain (MLC) to increase myosin ATPase activity, and an inhibitory phosphorylation of MLC phosphatase leading to increased activation of MLC.